Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
[linux-2.6] / drivers / media / video / pvrusb2 / pvrusb2-i2c-cmd-v4l2.c
1 /*
2  *
3  *  $Id$
4  *
5  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
6  *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; either version 2 of the License
11  *
12  *  This program is distributed in the hope that it will be useful,
13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  *  GNU General Public License for more details.
16  *
17  *  You should have received a copy of the GNU General Public License
18  *  along with this program; if not, write to the Free Software
19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20  *
21  */
22
23 #include "pvrusb2-i2c-cmd-v4l2.h"
24 #include "pvrusb2-hdw-internal.h"
25 #include "pvrusb2-debug.h"
26 #include <linux/videodev2.h>
27 #include <media/v4l2-common.h>
28
29 static void set_standard(struct pvr2_hdw *hdw)
30 {
31         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_standard");
32
33         if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
34                 pvr2_i2c_core_cmd(hdw,AUDC_SET_RADIO,NULL);
35         } else {
36                 v4l2_std_id vs;
37                 vs = hdw->std_mask_cur;
38                 pvr2_i2c_core_cmd(hdw,VIDIOC_S_STD,&vs);
39         }
40         hdw->tuner_signal_stale = !0;
41 }
42
43
44 static int check_standard(struct pvr2_hdw *hdw)
45 {
46         return (hdw->input_dirty != 0) || (hdw->std_dirty != 0);
47 }
48
49
50 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_standard = {
51         .check = check_standard,
52         .update = set_standard,
53         .name = "v4l2_standard",
54 };
55
56
57 static void set_bcsh(struct pvr2_hdw *hdw)
58 {
59         struct v4l2_control ctrl;
60         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_bcsh"
61                    " b=%d c=%d s=%d h=%d",
62                    hdw->brightness_val,hdw->contrast_val,
63                    hdw->saturation_val,hdw->hue_val);
64         memset(&ctrl,0,sizeof(ctrl));
65         ctrl.id = V4L2_CID_BRIGHTNESS;
66         ctrl.value = hdw->brightness_val;
67         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
68         ctrl.id = V4L2_CID_CONTRAST;
69         ctrl.value = hdw->contrast_val;
70         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
71         ctrl.id = V4L2_CID_SATURATION;
72         ctrl.value = hdw->saturation_val;
73         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
74         ctrl.id = V4L2_CID_HUE;
75         ctrl.value = hdw->hue_val;
76         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
77 }
78
79
80 static int check_bcsh(struct pvr2_hdw *hdw)
81 {
82         return (hdw->brightness_dirty ||
83                 hdw->contrast_dirty ||
84                 hdw->saturation_dirty ||
85                 hdw->hue_dirty);
86 }
87
88
89 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_bcsh = {
90         .check = check_bcsh,
91         .update = set_bcsh,
92         .name = "v4l2_bcsh",
93 };
94
95
96 static void set_volume(struct pvr2_hdw *hdw)
97 {
98         struct v4l2_control ctrl;
99         pvr2_trace(PVR2_TRACE_CHIPS,
100                    "i2c v4l2 set_volume"
101                    "(vol=%d bal=%d bas=%d treb=%d mute=%d)",
102                    hdw->volume_val,
103                    hdw->balance_val,
104                    hdw->bass_val,
105                    hdw->treble_val,
106                    hdw->mute_val);
107         memset(&ctrl,0,sizeof(ctrl));
108         ctrl.id = V4L2_CID_AUDIO_MUTE;
109         ctrl.value = hdw->mute_val ? 1 : 0;
110         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
111         ctrl.id = V4L2_CID_AUDIO_VOLUME;
112         ctrl.value = hdw->volume_val;
113         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
114         ctrl.id = V4L2_CID_AUDIO_BALANCE;
115         ctrl.value = hdw->balance_val;
116         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
117         ctrl.id = V4L2_CID_AUDIO_BASS;
118         ctrl.value = hdw->bass_val;
119         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
120         ctrl.id = V4L2_CID_AUDIO_TREBLE;
121         ctrl.value = hdw->treble_val;
122         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
123 }
124
125
126 static int check_volume(struct pvr2_hdw *hdw)
127 {
128         return (hdw->volume_dirty ||
129                 hdw->balance_dirty ||
130                 hdw->bass_dirty ||
131                 hdw->treble_dirty ||
132                 hdw->mute_dirty);
133 }
134
135
136 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_volume = {
137         .check = check_volume,
138         .update = set_volume,
139         .name = "v4l2_volume",
140 };
141
142
143 static void set_audiomode(struct pvr2_hdw *hdw)
144 {
145         struct v4l2_tuner vt;
146         memset(&vt,0,sizeof(vt));
147         vt.audmode = hdw->audiomode_val;
148         pvr2_i2c_core_cmd(hdw,VIDIOC_S_TUNER,&vt);
149 }
150
151
152 static int check_audiomode(struct pvr2_hdw *hdw)
153 {
154         return (hdw->input_dirty ||
155                 hdw->audiomode_dirty);
156 }
157
158
159 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_audiomode = {
160         .check = check_audiomode,
161         .update = set_audiomode,
162         .name = "v4l2_audiomode",
163 };
164
165
166 static void set_frequency(struct pvr2_hdw *hdw)
167 {
168         unsigned long fv;
169         struct v4l2_frequency freq;
170         fv = pvr2_hdw_get_cur_freq(hdw);
171         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_freq(%lu)",fv);
172         if (hdw->tuner_signal_stale) {
173                 pvr2_i2c_core_status_poll(hdw);
174         }
175         memset(&freq,0,sizeof(freq));
176         if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) {
177                 // ((fv * 1000) / 62500)
178                 freq.frequency = (fv * 2) / 125;
179         } else {
180                 freq.frequency = fv / 62500;
181         }
182         /* tuner-core currently doesn't seem to care about this, but
183            let's set it anyway for completeness. */
184         if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
185                 freq.type = V4L2_TUNER_RADIO;
186         } else {
187                 freq.type = V4L2_TUNER_ANALOG_TV;
188         }
189         freq.tuner = 0;
190         pvr2_i2c_core_cmd(hdw,VIDIOC_S_FREQUENCY,&freq);
191 }
192
193
194 static int check_frequency(struct pvr2_hdw *hdw)
195 {
196         return hdw->freqDirty != 0;
197 }
198
199
200 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_frequency = {
201         .check = check_frequency,
202         .update = set_frequency,
203         .name = "v4l2_freq",
204 };
205
206
207 static void set_size(struct pvr2_hdw *hdw)
208 {
209         struct v4l2_format fmt;
210
211         memset(&fmt,0,sizeof(fmt));
212
213         fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
214         fmt.fmt.pix.width = hdw->res_hor_val;
215         fmt.fmt.pix.height = hdw->res_ver_val;
216
217         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_size(%dx%d)",
218                            fmt.fmt.pix.width,fmt.fmt.pix.height);
219
220         pvr2_i2c_core_cmd(hdw,VIDIOC_S_FMT,&fmt);
221 }
222
223
224 static int check_size(struct pvr2_hdw *hdw)
225 {
226         return (hdw->res_hor_dirty || hdw->res_ver_dirty);
227 }
228
229
230 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_size = {
231         .check = check_size,
232         .update = set_size,
233         .name = "v4l2_size",
234 };
235
236
237 static void do_log(struct pvr2_hdw *hdw)
238 {
239         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 do_log()");
240         pvr2_i2c_core_cmd(hdw,VIDIOC_LOG_STATUS,NULL);
241
242 }
243
244
245 static int check_log(struct pvr2_hdw *hdw)
246 {
247         return hdw->log_requested != 0;
248 }
249
250
251 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_log = {
252         .check = check_log,
253         .update = do_log,
254         .name = "v4l2_log",
255 };
256
257
258 void pvr2_v4l2_cmd_stream(struct pvr2_i2c_client *cp,int fl)
259 {
260         pvr2_i2c_client_cmd(cp,
261                             (fl ? VIDIOC_STREAMON : VIDIOC_STREAMOFF),NULL);
262 }
263
264
265 void pvr2_v4l2_cmd_status_poll(struct pvr2_i2c_client *cp)
266 {
267         pvr2_i2c_client_cmd(cp,VIDIOC_G_TUNER,&cp->hdw->tuner_signal_info);
268 }
269
270
271 /*
272   Stuff for Emacs to see, in order to encourage consistent editing style:
273   *** Local Variables: ***
274   *** mode: c ***
275   *** fill-column: 70 ***
276   *** tab-width: 8 ***
277   *** c-basic-offset: 8 ***
278   *** End: ***
279   */